<!DOCTYPE html>
<html>
<head>
    <title>{% block title %}Flaskr Blog{% endblock %}</title>
</head>
<body>
    <header>
        <h1>Blog</h1>
    </header>
    <main>
        {% block content %}{% endblock %}
    </main>
    <footer>
        <p>Footer 内容</p>
    </footer>
</body>
</html>
